parabolictroughcollectorbc

An OpenFOAM's boundary condition for wall of parabolic trough collector.

https://github.com/ehsanglb/parabolictroughcollectorbc

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Repository

An OpenFOAM's boundary condition for wall of parabolic trough collector.

Basic Info
  • Host: GitHub
  • Owner: EhsanGLB
  • License: gpl-3.0
  • Language: C++
  • Default Branch: main
  • Homepage:
  • Size: 78.1 KB
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  • Stars: 1
  • Watchers: 1
  • Forks: 0
  • Open Issues: 0
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Created over 2 years ago · Last pushed over 2 years ago
Metadata Files
Readme License Citation

README.md

parabolicTroughCollectorBC

This is a boundary condition for wall of parabolic trough collector written based on foam-extend-4.1.

Mathematical Relationships

$$ {\nabla T} = {1 \over \kappaf} \left({ qa - {Q{ag} \over Aa} } \right) $$

$$ {{q''}a} = \taug \alphaa Ib \ LCR(\theta)$$

$$ {Q{ag}} = {{ \sigma{sb} A{ao} \left( { {T{to}}^4 - {T{gi}}^4 }\right) } \over { {1 \over \varepsilona} + {d{ao} \over d{gi} } { {1 - \varepsilong} \over \varepsilong} } }$$

$$ {Q{go}} = h{go} A{go} \left({T{go} - Ta}\right) + \varepsilong \sigma{sb} A{go} \left({{T{go}}^4 - {T{sky}}^4}\right) $$

$$ {A{go}} = L \pi d{go}$$

$$ h{go} = {Va}^{0.58} \ {d_{go}}^{-0.45} $$

$$ {T{sky}} = 0.0522 {Ta}^{1.5} $$

$$ {Q{g}} = \alphag I_b \overline{\rm LCR} $$

$$ {Q{ag}} = {Q{g}} - {Q_{go}} $$

Which $T$, $\alpha$, $\varepsilon$, $\tau$, $Ib$, $LCR(\theta)$, $Q$, $d$, $\kappa$, $A$, $\sigma{sb}$, and $V$ are temperature, absorptivity, emissivity, transmissivity, intensity, local concentration ratio, heat transfer, diameter, thermal conductivity, area, Stefan-Boltzmann constant, and velocity, respectively.. Also, subscriptions $a$, $g$, $i$, and $o$ describe absorber tube, glass cover, inner, and outer, respectively.

Installation

It is working on foam-extend-4.1. bash git clone https://github.com/EhsanGLB/parabolicTroughCollectorBC.git cd parabolicTroughCollectorBC/parabolicTroughCollectorBC wmake libso cd ../case

Getting Started

  1. First way bash blockMesh heatSimpleFoam

  2. Second way bash ./Allrun

Activation

Add "libparabolicTroughCollectorBC.so" to case/system/controlDict

References

Owner

  • Name: Ehsan Golab
  • Login: EhsanGLB
  • Kind: user
  • Location: Tehran
  • Company: Sharif University of Technology

Interested in math, programming, and natural sciences

Citation (CITATION.cff)

cff-version: 1.0.0
message: "If you use this software, please cite it as below."
authors:
- family-names: "Golab"
  given-names: "Ehsan"
  orcid: "https://orcid.org/0000-0002-6105-0963"
title: "parabolicTroughCollectorBC"
version: 1.0.0
date-released: 2023-08-02
url: "https://github.com/EhsanGLB/parabolicTroughCollectorBC"

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